Dishwasher: 10-13 years Extend its life: Run it regularly. This helps keep the seals, gaskets, and hoses from dry-rotting and keeps mold and mildew from forming. Gas Range: 15 years Extend its life: Clean the vent hood filter above the range to help prevent a buildup of grease. Also clean the grease filter regularly.
SDL file is a Scene Description Language Document. SDL is the Scene Description Language. SDL programs, in the form of ASCII text files, specify all the information necessary to render a scene, including models, shaders, lights, and animation. Description link.
A DLL file is indicated by the extension DLL in its name. Microsoft gives several definitions of a DLL but the one that I think has the least jargon is this: A Dynamic Link Library (DLL) is a file of code containing functions that can be called from other executable code (either an application or another DLL).